springcloud教程项目代码

package com.zpc.order.service; import com.zpc.order.entity.Item; import com.zpc.order.entity.Order; import com.zpc.order.entity.OrderDetail; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.*; @Service public class OrderServiceImpl implements OrderService{ private static final Map<String, Order> ORDER_DATA = new HashMap<String, Order>(); static { // 模拟数据库，构造测试数据 Order order1 = new Order(); order1.setOrderId("201810300001"); order1.setCreateDate(new Date()); order1.setUpdateDate(order1.getCreateDate()); order1.setUserId(1L); List<OrderDetail> orderDetails1 = new ArrayList<OrderDetail>(); Item item = new Item();// 此处并没有商品的数据，只是保存了商品ID，需要调用商品微服务获取 item.setId(1L); orderDetails1.add(new OrderDetail(order1.getOrderId(), item)); item = new Item(); // 构造第二个商品数据 item.setId(6L); orderDetails1.add(new OrderDetail(order1.getOrderId(), item)); order1.setOrderDetails(orderDetails1); ORDER_DATA.put(order1.getOrderId(), order1); Order order2 = new Order(); order2.setOrderId("201810300002"); order2.setCreateDate(new Date()); order2.setUpdateDate(order2.getCreateDate()); order2.setUserId(3L); List<OrderDetail> orderDetails2 = new ArrayList<OrderDetail>(); Item item2 = new Item();// 此处并没有商品的数据，只是保存了商品ID，需要调用商品微服务获取 item2.setId(3L); orderDetails2.add(new OrderDetail(order2.getOrderId(), item2)); item2 = new Item(); // 构造第二个商品数据 item2.setId(5L); orderDetails2.add(new OrderDetail(order2.getOrderId(), item2)); order2.setOrderDetails(orderDetails2); ORDER_DATA.put(order2.getOrderId(), order2); } @Autowired private ItemService itemService; /** * 根据订单id查询订单数据 * * @param orderId * @return */ @Override public Order queryOrderById(String orderId) { Order order = ORDER_DATA.get(orderId); if (null == order) { return null; } List<OrderDetail> orderDetails = order.getOrderDetails(); for (OrderDetail orderDetail : orderDetails) { // 通过商品微服务查询商品详细数据 Item item = this.itemService.queryItemById2(orderDetail.getItem() .getId()); if (null == item) { continue; } orderDetail.setItem(item); } return order; } @Override public Order queryOrderByIdx(String orderId) { Order order = ORDER_DATA.get(orderId); if (null == order) { return null; } List<OrderDetail> orderDetails = order.getOrderDetails(); for (OrderDetail orderDetail : orderDetails) { // 通过商品微服务查询商品详细数据 Item item = this.itemService.queryItemById3(orderDetail.getItem() .getId()); if (null == item) { continue; } orderDetail.setItem(item); } return order; } }